Granted Patent
Utility
US 5,619,838 · App. 08/610,441
Method anf apparatus for applying edge protectors
Inventor:
Calvin E. Kasel
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Mar 4, 1996
Inventor
Calvin E. Kasel
Assignee (at issue)
ILLINOIS TOOL WORKS INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.